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convert '1' to '0001' in JavaScript [duplicate]
How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]);
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What is a good use case for static import of methods?
...mport of the method was not a good idea. The static import was of a method from a DA class, which has mostly static methods. So in middle of the business logic I had a da activity that apparently seemed to belong to the current class:
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What does |= (ior) do in Python?
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Here we apply merge (|) and update (|=) to dicts:
>>> d1 = {"a": 0, "b": 1, "c": 2}
>>> d2 = {"c": 20, "d": 30}
>>> # Merge, |
>>> d1 | d2
{"a": 0, "b": 1, "c": 20, "d": 30}
>>> d1
{"a": 0, "b": 1, "c": 2}
>>> # Update, |=
>>> d1 |=...
How to make an array of arrays in Java
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answered Jan 24 '11 at 10:54
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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Should it be “Arrange-Assert-Act-Assert”?
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I've already read about this technique - possibly from you btw - but I do not use it; mostly because I'm used to the triple A form for my unit tests.
Now, I'm getting curious, and have some questions: how do you write your test, do you cause this assertion to fail, followin...
Calling a parent window function from an iframe
I want to call a parent window JavaScript function from an iframe.
10 Answers
10
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How do I format a long integer as a string without separator in Java?
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edited Jan 22 '16 at 20:19
RAnders00
4,20144 gold badges2929 silver badges5757 bronze badges
answere...
Using jQuery to see if a div has a child with a certain class
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201
You can use the find function:
if($('#popup').find('p.filled-text').length !== 0)
// Do Stu...
How to access app.config in a blueprint?
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Use flask.current_app in place of app in the blueprint view.
from flask import current_app
@api.route("/info")
def get_account_num():
num = current_app.config["INFO"]
The current_app proxy is only available in the context of a request.
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Regular expression to limit number of characters to 10
...e a regular expression that will only allow lowercase letters and up to 10 characters. What I have so far looks like this:
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